Globe Champion 350A

Hi Glen:
Good of you to check this out, but now I'm confused. What are the
differences between the 350 and the 350A???
I've never seen a 350A marked as such either. Do you know what the
changes were?
Tnx es 73,
-Pete
WB2QLL
Enfield, NH
> -----Original Message-----
> From: Boat Anchor Owners and Collectors List
> [mailto:BOATANCHORS at LISTSERV.TEMPE.GOV]On Behalf Of Glen E. Zook
> Sent: Monday, September 17, 2001 5:45 PM
> To: BOATANCHORS at LISTSERV.TEMPE.GOV> Subject: Globe Champion 350A
>>> I have heard from the "powers that be", Leo W0GFQ and Al
> W0JJK, about
> the Globe Champion 300, 300A, 350, and 350A.
>> According to Al, who was the head of the WRL amateur sales
> department,
> there were about 2000 Globe Champion 300 transmitters made and a
> significantly lower number of the 300A. Then, there were
> about 3000 of
> the Globe Champion 350 transmitters made. There were some
> changes made
> in the circuitry between the early model 350 and the later model 350
> transmitters. The later production models are basically
> 350A. But, he
> made no mention of any of them actually being marked as such.
>> The major differences between the 300 and 300A were the
> placement of the
> buffer tube and the cooling fan. It seems that the
> magnetic field from
> the cooling fan introduced a "hum" into the signal because of the
> vibration of the tube shield. The original 350 units
> differed primarily
> in cosmetics from the 300A. Then, improvements were made,
> especially in
> the VFO.
>> This is kinda like the Heath DX-100A. There were no DX-100A
> transmitters sent from the factory. Instead, this number
> was "reserved"
> for those units that had the field modification changing the antenna
> loading from the switched fixed capacitors to the
> continuously variable
> capacitor. The next version that Heath came out with was
> the DX-100B.
>> Therefore, the answer to the question whether or not the
> 350A exists is
> a definite "maybe"! Yes, the latest versions were
> definitely different
> from the earlier versions. However, there exists the definite
> probability that they were not marked as such.
>> So, according to this information, K1JNN has a 350 and I
> have a 350A!
>> Glen, K9STH
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